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# Copyright 2012 Knowledge Economy Developments Ltd
#
# Henry Gomersall
# heng@kedevelopments.co.uk
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from .test_pyfftw_base import run_test_suites
import unittest
import pyfftw
import platform
import os
def get_cpus_info():
if 'Linux' in platform.system():
# A simple /proc/cpuinfo parser
with open(os.path.join('/', 'proc','cpuinfo'), 'r') as f:
cpus_info = []
idx = 0
for line in f.readlines():
if line.find(':') < 0:
idx += 1
continue
key, values = [each.strip() for each in line.split(':')]
try:
cpus_info[idx][key] = values
except IndexError:
cpus_info.append({key: values})
else:
cpus_info = None
return cpus_info
class UtilsTest(unittest.TestCase):
def setUp(self):
return
def tearDown(self):
return
@unittest.skipIf('Linux' not in platform.system(),
'Skipping as we only have it set up for Linux at present.')
def test_get_alignment(self):
cpus_info = get_cpus_info()
for each_cpu in cpus_info:
if 'avx' in each_cpu['flags']:
self.assertTrue(pyfftw.simd_alignment == 32)
elif 'sse' in each_cpu['flags']:
self.assertTrue(pyfftw.simd_alignment == 16)
else:
self.assertTrue(pyfftw.simd_alignment == 1)
test_cases = (
UtilsTest,)
test_set = None
if __name__ == '__main__':
run_test_suites(test_cases, test_set)
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